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diff --git a/chrome/browser/dom_ui/print_preview_handler.h b/chrome/browser/dom_ui/print_preview_handler.h
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+++ b/chrome/browser/dom_ui/print_preview_handler.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_DOM_UI_PRINT_PREVIEW_HANDLER_H_
+#define CHROME_BROWSER_DOM_UI_PRINT_PREVIEW_HANDLER_H_
+#pragma once
+
+#include "base/scoped_ptr.h"
+#include "base/weak_ptr.h"
+#include "chrome/browser/dom_ui/dom_ui.h"
+
+namespace printing {
+class PrintBackend;
+}  // namespace printing
+
+// The handler for Javascript messages related to the "print preview" dialog.
+class PrintPreviewHandler : public DOMMessageHandler,
+                            public base::SupportsWeakPtr<PrintPreviewHandler> {
+ public:
+  PrintPreviewHandler();
+  virtual ~PrintPreviewHandler();
+
+  // DOMMessageHandler implementation.
+  virtual void RegisterMessages();
+
+ private:
+  // Get the list of printers and send it to the DOM UI. |args| is unused.
+  void HandleGetPrinters(const ListValue* args);
+
+  // Pointer to current print system.
+  scoped_refptr<printing::PrintBackend> print_backend_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
+};
+
+#endif  // CHROME_BROWSER_DOM_UI_PRINT_PREVIEW_HANDLER_H_